323431431004 has 48 divisors (see below), whose sum is σ = 629759370240. Its totient is φ = 144110586240.

The previous prime is 323431430941. The next prime is 323431431031. The reversal of 323431431004 is 400134134323.

It is a super-2 number, since 2×323431431004² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214677 + ... + 832435.

It is an arithmetic number, because the mean of its divisors is an integer number (13119986880).

Almost surely, 2^323431431004 is an apocalyptic number.

It is an amenable number.

323431431004 is a deficient number, since it is larger than the sum of its proper divisors (306327939236).

323431431004 is a wasteful number, since it uses less digits than its factorization.

323431431004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618010 (or 618008 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 323431431004 its reverse (400134134323), we get a palindrome (723565565327).

The spelling of 323431431004 in words is "three hundred twenty-three billion, four hundred thirty-one million, four hundred thirty-one thousand, four".